Combine multiple M4A files into one track - free, online, no signup or watermark. Perfect for joining iPhone voice memos, Apple Music exports or audiobook parts. Add your M4A files, drag them into order, then join them back to back, with a silent gap or a smooth crossfade. Need MP3 out, or to mix formats? Use the full Audio Joiner.
or click to browse - add two or more files
Drag and drop or select two or more M4A files (including iPhone voice memos), up to 100MB each.
Reorder clips with the arrows, then choose back to back, a silent gap, or a crossfade.
Keep M4A for Apple devices, then click Merge & Download for one combined file.
Export your voice memos, add them here in order, and join them back to back into a single M4A - ideal for stitching interview parts or a multi-part dictation recorded on iPhone into one continuous file.
Add chapter files in reading order and join them back to back (no gap, no crossfade) so the audiobook plays straight through on iPhone, iPad or CarPlay.
Choose the Crossfade transition (2-5 seconds) so songs blend smoothly - good for an Apple Music or AAC playlist mix with no silence between tracks.
M4A is Apple-friendly but not universal. To get an MP3 out of the same files, use the full Audio Joiner and pick MP3 as the output format.
Add two or more M4A files, order them with the arrows, choose a gap or crossfade if needed, then click Merge & Download for a single combined M4A.
Share or export the voice memos from your iPhone, add them here, drag them into order, and merge them into one M4A file.
Yes. They are re-encoded to a common rate before joining so mixed-bitrate M4A files merge into one consistent track.
Up to 20 files per job, each up to 100MB. Most merges finish in a few seconds.
Yes - 100% free, no watermarks, no registration and no daily limits.